MAKE_VERSION - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

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NAMEMAKE_VERSION − Create a 32 bit integer from the Allegro version​

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SYNOPSIS#include <allegro.h> Macro MAKE_VERSION(a, b, c)

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DESCRIPTIONThis macro can be used to check if some Allegro version is (binary) compatible with the current version. It is safe to use > and < to check if one version is more recent than another. The third number is ignored if the second number is even, so MAKE_VERSION(4, 2, 0) is equivalent to MAKE_VERSION(4, 2, 1). This is because of our version numbering policy since 4.0.0: the second number is even for stable releases, which must be ABI-compatible with earlier versions of the same series. This macro is mainly useful for addon packages and libraries. See the `ABI compatibility information' section of the manual for more detailed information. Example: /* Check if the current version is compatible with Allegro 4.2.0 */ #if (MAKE_VERSION(4, 2, 0) <= MAKE_VERSION(ALLEGRO_VERSION, ALLEGRO_SUB_VERSION, ALLEGRO_WIP_VERSION)) /* Allegro 4.2.0 compatibility */ #else /* Work-around */ #endif

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SEE ALSOALLEGRO_VERSION(3), ALLEGRO_SUB_VERSION(3), ALLEGRO_WIP_VERSION(3) 0

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